2001 Opel Signum vs. 2001 Alfa Romeo 146
To start off, both 2001 Opel Signum and 2001 Alfa Romeo 146 were released in the same year (2001). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,171 cc (4 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Alfa Romeo 146 (148 HP @ 6300 RPM) has 23 more horse power than 2001 Opel Signum. (125 HP @ 3250 RPM) In normal driving conditions, 2001 Alfa Romeo 146 should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 395 kg more than 2001 Alfa Romeo 146.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2001 Opel Signum (280 Nm @ 1500 RPM) has 93 more torque (in Nm) than 2001 Alfa Romeo 146. (187 Nm @ 2800 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 146.
Compare all specifications:
| 2001 Opel Signum | 2001 Alfa Romeo 146 | |
| Make | Opel | Alfa Romeo |
| Model | Signum | 146 |
| Year Released | 2001 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 125 HP | 148 HP |
| Engine RPM | 3250 RPM | 6300 RPM |
| Torque | 280 Nm | 187 Nm |
| Torque RPM | 1500 RPM | 2800 RPM |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 201 km/hour | 216 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1215 kg |
| Vehicle Length | 4640 mm | 4270 mm |
| Vehicle Width | 1800 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2600 mm |
| Fuel Consumption Overall | 6.5 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
